Using your knowledge of ionic interactions, determine the possible products generated from a reaction of sodium phosphate with calcium chloride. Which experimental observations and any additional resources help validate the chemical composition of the products?.

If you chip a tooth, most likely you will go to the dentist to have the missing material filled in. currently the material used to fill in teeth is a polymer that is flexible when put in, yet is hardened to the strength of a tooth after irradiation with blue light at a wavelength of 461 nm. what is the energy in joules for a photon of light at this wavelength?

Rank the following four acids in order of increasing bronsted acidity : h2f+ , ch3oh, (ch3)2oh+ , ch3sh2+

What are fossils of organisms that existed over a wide area but only for a limited time period called?